Click on the third or sixth rank to set the en passant target square.

EGTB: loss in 1 half-moves

# move score
1 R1xb5 loss in 2 half-moves
2 R8xb5 loss in 2 half-moves
3 Rexb5 loss in 2 half-moves
4 Rxe4 loss in 2 half-moves